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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-rt package, versions <0:3.10.0-229.14.1.rt56.141.13.el7_1

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    39.86% (98th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRT-2053288
  • published 26 Jul 2021
  • disclosed 1 Jul 2015
Report a new vulnerability Found a mistake?

Introduced: 1 Jul 2015

CVE-2015-5366 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt to version 0:3.10.0-229.14.1.rt56.141.13.el7_1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The (1) udp_recvmsg and (2) udpv6_recvmsg functions in the Linux kernel before 4.0.6 provide inappropriate -EAGAIN return values, which allows remote attackers to cause a denial of service (EPOLLET epoll application read outage) via an incorrect checksum in a UDP packet, a different vulnerability than CVE-2015-5364.

References

CVSS Scores

version 3.1
Expand this section

NVD

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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Red Hat

6.5 medium